/*
 * Copyright (c) 2011, Michael Hengler (developer (at) hengler (dot) de),
 * Nikolaus Moll (developer (at) miblounge (dot) net).
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the [QTPRJ] nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL [QTPRJ] BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
package joodin.impl.widgets.internal;

import joodin.impl.application.util.ApplicationWrapper;

import org.jowidgets.common.widgets.controler.IItemStateListener;
import org.jowidgets.spi.impl.controler.ItemStateObservable;
import org.jowidgets.spi.widgets.IToolBarToggleButtonSpi;

import com.vaadin.event.FieldEvents.FocusEvent;
import com.vaadin.event.FieldEvents.FocusListener;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.NativeButton;

public class ToolBarToggleButtonImpl extends ToolBarButtonImpl implements IToolBarToggleButtonSpi {

	private final ItemStateObservable itemStateObservable;
	private boolean state = false;

	@SuppressWarnings("serial")
	public ToolBarToggleButtonImpl() {
		super(new NativeButton());
		this.itemStateObservable = new ItemStateObservable();
		setSelected(false);
		
		getUiReference().addListener(new ClickListener() {
			@Override
			public void buttonClick(ClickEvent event) {
				fireItemStateChanged();
				setSelected(!state);
				ApplicationWrapper.getPusher().push();
			}
		});
		
		getUiReference().addListener(new FocusListener() {
			@Override
			public void focus(FocusEvent event) {
				System.out.println("focus");
			}
		});
	}

	protected void fireItemStateChanged() {
		itemStateObservable.fireItemStateChanged();
	}

	@Override
	public boolean isSelected() {
		return state;
	}

	@Override
	public void setSelected(final boolean selected) {
		if(selected){
			getUiReference().addStyleName("v-pressed");
		}
		else if(!selected){
			getUiReference().removeStyleName("v-pressed");
		}
		state = selected;
	}

	@Override
	public void addItemListener(final IItemStateListener listener) {
		itemStateObservable.addItemListener(listener);
	}

	@Override
	public void removeItemListener(final IItemStateListener listener) {
		itemStateObservable.removeItemListener(listener);
	}

}
